Audio Research LS17 SE Line-stage preamplifier

 

FREQUENCY RESPONSE:
+0-3dB, 0.5Hz to 200kHz at rated output (Balanced, 200k ohms load).

DISTORTION: Less than .01% at 2V RMS BAL output.

GAIN: Main output: 12dB

Balanced output, 6dB SE output.

Tape output: 0dB (Processor input: 0dB SE output).

INPUT IMPEDANCE: 120K ohms Balanced, 60K ohms SE.
Inputs (7): CD, TUNER, VIDEO, PHONO, AUX 1, AUX 2, PROCESSOR. (XLR and RCA connectors)

OUTPUT IMPEDANCE: 600 ohms Balanced, 300 ohms SE Main (2). 20K ohms minimum load and 2000pF maximum capacitance. Outputs (3): 2 main, 1 tape (XLR and RCA connectors).

OUTPUT POLARITY: Non-inverting.

MAXIMUM INPUT: 20V RMS BAL, 10V RMS SE.

RATED OUTPUTS: 2V RMS (1V RMS SE) into 200K ohm balanced load (maximum balanced output capability is 30V RMS at less than 0.5% THD at 1kHz).

CROSSTALK: -80dB or better at 1kHz and 10 kHz.

CONTROLS: Volume (104 steps), Select Input.
Push Buttons: Power, Proc, BAL/SE, Mono, Invert, Mute.

POWER SUPPLIES:
Electronically regulated low and high voltage supplies.
Automatic 40 sec. warm-up/brown-out mute.
Line regulation better than .01%.

NOISE: 1.7uV RMS residual IHF weighted balanced equivalent input noise with volume at 1 (109dB below 2V RMS output.)

TUBE COMPLEMENT: 2-6H30P dual triode, (Hybrid JFET/ tube audio circuit, solid-state power supply).

POWER REQUIREMENTS: 100-135VAC 60Hz (200-270VAC 50/60Hz) 130 watts.
Standby: 2 watts.

DIMENSIONS: 19" (48 cm) W x 7" (17.8 cm) H (standard panel) x 15.5" (39.4 cm) D.
Handles extend 1.5" (3.8 cm) forward of the front panel.

WEIGHT: 30.4 lbs. (13.9 kg) Net; 41.6 lbs. (19 kg) Shipping.